Java RangeMarker类代码示例

import org.eclipse.text.edits.RangeMarker; //导入依赖的package包/类
private String[] getBlocks(RangeMarker[] markers) throws BadLocationException {
  String[] result = new String[markers.length];
  for (int i = 0; i < markers.length; i++) {
    RangeMarker marker = markers[i];
    String content = fDocument.get(marker.getOffset(), marker.getLength());
    String lines[] = Strings.convertIntoLines(content);
    Strings.trimIndentation(lines, fTypeRoot.getJavaProject(), false);
    if (fMarkerMode == STATEMENT_MODE
        && lines.length == 2
        && isSingleControlStatementWithoutBlock()) {
      lines[1] = CodeFormatterUtil.createIndentString(1, fTypeRoot.getJavaProject()) + lines[1];
    }
    result[i] = Strings.concatenate(lines, TextUtilities.getDefaultLineDelimiter(fDocument));
  }
  return result;
}
 

import org.eclipse.text.edits.RangeMarker; //导入依赖的package包/类
/**
 * Creates the method content of the moved method.
 *
 * @param document
 *            the document representing the source compilation unit
 * @param declaration
 *            the source method declaration
 * @param rewrite
 *            the ast rewrite to use
 * @return the string representing the moved method body
 * @throws BadLocationException
 *             if an offset into the document is invalid
 */
protected String createMethodContent(final IDocument document, final MethodDeclaration declaration, final ASTRewrite rewrite) throws BadLocationException {
	Assert.isNotNull(document);
	Assert.isNotNull(declaration);
	Assert.isNotNull(rewrite);
	final IRegion range= new Region(declaration.getStartPosition(), declaration.getLength());
	final RangeMarker marker= new RangeMarker(range.getOffset(), range.getLength());
	final IJavaProject project= fMethod.getJavaProject();
	final TextEdit[] edits= rewrite.rewriteAST(document, project.getOptions(true)).removeChildren();
	for (int index= 0; index < edits.length; index++)
		marker.addChild(edits[index]);
	final MultiTextEdit result= new MultiTextEdit();
	result.addChild(marker);
	final TextEditProcessor processor= new TextEditProcessor(document, new MultiTextEdit(0, document.getLength()), TextEdit.UPDATE_REGIONS);
	processor.getRoot().addChild(result);
	processor.performEdits();
	final IRegion region= document.getLineInformation(document.getLineOfOffset(marker.getOffset()));
	return Strings.changeIndent(document.get(marker.getOffset(), marker.getLength()), Strings.computeIndentUnits(document.get(region.getOffset(), region.getLength()), project), project, "", TextUtilities.getDefaultLineDelimiter(document)); //$NON-NLS-1$
}
 

import org.eclipse.text.edits.RangeMarker; //导入依赖的package包/类
public void preVisit(ASTNode node) {
	// copies, then range marker

	CopySourceInfo[] infos= this.eventStore.getNodeCopySources(node);
	doCopySourcePreVisit(infos, this.sourceCopyEndNodes);

	TextEditGroup editGroup= this.eventStore.getTrackedNodeData(node);
	if (editGroup != null) {
		SourceRange range= getExtendedRange(node);
		int offset= range.getStartPosition();
		int length= range.getLength();
		TextEdit edit= new RangeMarker(offset, length);
		addEditGroup(editGroup, edit);
		addEdit(edit);
		this.currentEdit= edit;
	}
	
	ensureSpaceBeforeReplace(node);
}
 

import org.eclipse.text.edits.RangeMarker; //导入依赖的package包/类
private String[] getBlocks(RangeMarker[] markers) throws BadLocationException {
	String[] result= new String[markers.length];
	for (int i= 0; i < markers.length; i++) {
		RangeMarker marker= markers[i];
		String content= fDocument.get(marker.getOffset(), marker.getLength());
		String lines[]= Strings.convertIntoLines(content);
		Strings.trimIndentation(lines, fTypeRoot.getJavaProject(), false);
		if (fMarkerMode == STATEMENT_MODE && lines.length == 2 && isSingleControlStatementWithoutBlock()) {
			lines[1]= CodeFormatterUtil.createIndentString(1, fTypeRoot.getJavaProject()) + lines[1];
		}
		result[i]= Strings.concatenate(lines, TextUtilities.getDefaultLineDelimiter(fDocument));
	}
	return result;
}
 

import org.eclipse.text.edits.RangeMarker; //导入依赖的package包/类
/**
 * Method processElement.
 * @param unit
 * @param source
 */
private String processElement(ICompilationUnit unit, char[] source) {
	Document document = new Document(new String(source));
	CompilerOptions options = new CompilerOptions(unit.getJavaProject().getOptions(true));
	ASTParser parser = ASTParser.newParser(this.apiLevel);
	parser.setCompilerOptions(options.getMap());
	parser.setSource(source);
	parser.setKind(ASTParser.K_COMPILATION_UNIT);
	parser.setResolveBindings(false);
	org.eclipse.jdt.core.dom.CompilationUnit ast = (org.eclipse.jdt.core.dom.CompilationUnit) parser.createAST(null);

	ASTRewrite rewriter= sortCompilationUnit(ast, null);
	if (rewriter == null)
		return document.get();

	TextEdit edits = rewriter.rewriteAST(document, unit.getJavaProject().getOptions(true));

	RangeMarker[] markers = null;
	if (this.positions != null) {
		markers = new RangeMarker[this.positions.length];
		for (int i = 0, max = this.positions.length; i < max; i++) {
			markers[i]= new RangeMarker(this.positions[i], 0);
			insert(edits, markers[i]);
		}
	}
	try {
		edits.apply(document, TextEdit.UPDATE_REGIONS);
		if (this.positions != null) {
			for (int i= 0, max = markers.length; i < max; i++) {
				this.positions[i]= markers[i].getOffset();
			}
		}
	} catch (BadLocationException e) {
		// ignore
	}
	return document.get();
}
 

import org.eclipse.text.edits.RangeMarker; //导入依赖的package包/类
private List<TypedPosition> createRangeMarkers(TemplateVariable[] variables, IDocument document)
    throws MalformedTreeException, BadLocationException {
  Map<ReplaceEdit, String> markerToOriginal = new HashMap<ReplaceEdit, String>();

  MultiTextEdit root = new MultiTextEdit(0, document.getLength());
  List<TextEdit> edits = new ArrayList<TextEdit>();
  boolean hasModifications = false;
  for (int i = 0; i != variables.length; i++) {
    final TemplateVariable variable = variables[i];
    int[] offsets = variable.getOffsets();

    String value = variable.getDefaultValue();
    if (isWhitespaceVariable(value)) {
      // replace whitespace positions with unformattable comments
      String placeholder = COMMENT_START + value + COMMENT_END;
      for (int j = 0; j != offsets.length; j++) {
        ReplaceEdit replace = new ReplaceEdit(offsets[j], value.length(), placeholder);
        root.addChild(replace);
        hasModifications = true;
        markerToOriginal.put(replace, value);
        edits.add(replace);
      }
    } else {
      for (int j = 0; j != offsets.length; j++) {
        RangeMarker marker = new RangeMarker(offsets[j], value.length());
        root.addChild(marker);
        edits.add(marker);
      }
    }
  }

  if (hasModifications) {
    // update the document and convert the replaces to markers
    root.apply(document, TextEdit.UPDATE_REGIONS);
  }

  List<TypedPosition> positions = new ArrayList<TypedPosition>();
  for (Iterator<TextEdit> it = edits.iterator(); it.hasNext(); ) {
    TextEdit edit = it.next();
    try {
      // abuse TypedPosition to piggy back the original contents of the position
      final TypedPosition pos =
          new TypedPosition(edit.getOffset(), edit.getLength(), markerToOriginal.get(edit));
      document.addPosition(CATEGORY, pos);
      positions.add(pos);
    } catch (BadPositionCategoryException x) {
      Assert.isTrue(false);
    }
  }

  return positions;
}
 

import org.eclipse.text.edits.RangeMarker; //导入依赖的package包/类
private List<TypedPosition> createRangeMarkers(TemplateVariable[] variables, IDocument document) throws MalformedTreeException, BadLocationException {
	Map<ReplaceEdit, String> markerToOriginal= new HashMap<ReplaceEdit, String>();

	MultiTextEdit root= new MultiTextEdit(0, document.getLength());
	List<TextEdit> edits= new ArrayList<TextEdit>();
	boolean hasModifications= false;
	for (int i= 0; i != variables.length; i++) {
		final TemplateVariable variable= variables[i];
		int[] offsets= variable.getOffsets();

		String value= variable.getDefaultValue();
		if (isWhitespaceVariable(value)) {
			// replace whitespace positions with unformattable comments
			String placeholder= COMMENT_START + value + COMMENT_END;
			for (int j= 0; j != offsets.length; j++) {
				ReplaceEdit replace= new ReplaceEdit(offsets[j], value.length(), placeholder);
				root.addChild(replace);
				hasModifications= true;
				markerToOriginal.put(replace, value);
				edits.add(replace);
			}
		} else {
			for (int j= 0; j != offsets.length; j++) {
				RangeMarker marker= new RangeMarker(offsets[j], value.length());
				root.addChild(marker);
				edits.add(marker);
			}
		}
	}

	if (hasModifications) {
		// update the document and convert the replaces to markers
		root.apply(document, TextEdit.UPDATE_REGIONS);
	}

	List<TypedPosition> positions= new ArrayList<TypedPosition>();
	for (Iterator<TextEdit> it= edits.iterator(); it.hasNext();) {
		TextEdit edit= it.next();
		try {
			// abuse TypedPosition to piggy back the original contents of the position
			final TypedPosition pos= new TypedPosition(edit.getOffset(), edit.getLength(), markerToOriginal.get(edit));
			document.addPosition(CATEGORY, pos);
			positions.add(pos);
		} catch (BadPositionCategoryException x) {
			Assert.isTrue(false);
		}
	}

	return positions;
}